I own a home in which my wife is currently residing rent free and utility free. will the judge take this into consideration at trial when determining

That should be taken into consideration as what you are doing is supremely fair and equitable.  However, I cannot say what a judge/magistrate in Oregon would do.  It also may provide you an argument to decrease spousal support pro rata but not in its entirety.  You should consult with an attorney licensed to practice in Oregon so that you get the most accurate info on how spousal support is handled there.   Simon W. Johnson   swj@swjlawoffice.com Law Office of Simon W. Johnson Martindale, Avvo, Justia, LawGuru LinkedIn, Twitter, Facebook Serving Cleveland and Ohio, 44124